Simply place the tool or object you want to magnetize inside the coil and briefly press S1. The generated single polarity field should magnetize the object if the material it is made to allow.
This circuit was found in a factory manual from the 1980s. It can serve as the basis for an...
ON Semiconductor NTMJS1D5N04C 40V Industrial MOSFET Available from Mouser Electronics, these ON...
This circuit uses bipolar transistors and unijunction transistors to generate a linear ramp in...